US20120139281A1 - Modular ramp assembly for vehicle - Google Patents
Modular ramp assembly for vehicle Download PDFInfo
- Publication number
- US20120139281A1 US20120139281A1 US12/957,670 US95767010A US2012139281A1 US 20120139281 A1 US20120139281 A1 US 20120139281A1 US 95767010 A US95767010 A US 95767010A US 2012139281 A1 US2012139281 A1 US 2012139281A1
- Authority
- US
- United States
- Prior art keywords
- ramp
- assembly
- channel
- cargo box
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/43—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using a loading ramp mounted on the vehicle
- B60P1/435—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using a loading ramp mounted on the vehicle the ramp being attached to or making part of the side- or tailboards of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/02—Platforms; Open load compartments
- B62D33/023—Sideboard or tailgate structures
- B62D33/027—Sideboard or tailgate structures movable
- B62D33/0273—Movable tailboards for vehicles comprising non-movable sideboards, e.g. pick-up trucks
Abstract
A modular ramp assembly is provided for use in connection with a pickup truck cargo box. The ramp assembly has a ramp connector assembly provided on the vehicle tailgate and a ramp having a connector for connecting to the ramp connector to serve as a loading ramp. The ramp connector has a pivoting clevis bracket and tangs that connects into a channel on the tailgate. Additional connectors are provided in the vehicle cargo box for connecting to the ramp such that the ramp is configured to operate as a cross-member such as a shelf or divider in the cargo box.
Description
- The present invention generally relates to vehicle ramp assemblies, and more particularly relates to a modular ramp assembly for loading items into a pickup truck cargo box.
- Automotive vehicles, such as pickup trucks, are commonly employed with a cargo box or bed that may be used to transport various items such as motorcycles, all-terrain vehicles (ATVs), four-wheelers (quads), garden and lawn tractors and other items. Heavy items such as these typically require the use of a loading ramp to assist with the loading and unloading of each item, such as an ATV, into and out of the cargo box of the pickup truck. Truck operators typically employ wood planks or aftermarket ramps of sufficient strength to support the weight of the item being loaded. Aftermarket ramps are commercially available in many forms and made of materials, such as aluminum, steel and composites, and typically come in single or multi-piece pairs, often fixed or hingedly connected, and may have many different surface treatments to provide traction.
- Conventional loading ramps typically have tips at one end that sit on the tailgate of the pickup truck and the opposite end rests on the ground. Many ramps are equipped with tether straps to secure the ramp relative to the vehicle. Straps may be cumbersome and are susceptible to being cut or lost. Additionally, conventional ramps typically need to be secured or stored and may be prone to theft if left unsecured in a cargo area. Further, conventional ramps are often stored off the vehicle which may make the ramp inaccessible and inconvenient to the vehicle operator.
- Accordingly, it is desirable to provide for modular loading ramps that are easy to use on a vehicle without drawbacks associated with the conventional ramps and that may be conveniently stored on the vehicle and easily made available to a user.
- According to one aspect of the present invention, a ramp assembly for use with a vehicle is provided. The ramp assembly includes a channel provided on a vehicle and having one or more enlarged openings, a ramp, and a ramp connector provided on the ramp. The ramp connector includes one or more tangs configured to fit in the one or more enlarged openings and retained within the channel to hold the ramp in place on the vehicle.
- According to another aspect of the present invention, a modular ramp assembly for use on a pickup truck is provided. The modular ramp assembly includes a vehicle tailgate having a tailgate connector. The ramp assembly also includes a ramp having a ramp connector for connecting to the tailgate connector to serve as a loading ramp. The ramp assembly further includes one or more connectors provided in the vehicle cargo box for connecting to the ramp such that the ramp is configured to operate as a cross-member in the cargo box.
- According to a further aspect of the present invention, a method of using and storing a ramp for use on a vehicle pickup truck is provided. The method includes the steps of aligning a ramp with a tailgate of a pickup truck, connecting a pivoting clevis bracket at one end of the ramp into a channel in the tailgate, and sliding the ramp within the channel to a trapped position. The method also includes the steps of removing the ramp from the tailgate, storing the ramp in a wall of the cargo box and connecting the pivoting clevis bracket into another channel in a wall of the cargo box to form a cross-member.
- These and other aspects, objects, and features of the present invention will be understood and appreciated by those skilled in the art upon studying the following specification, claims, and appended drawings.
- In the drawings:
-
FIG. 1 is a rear side perspective view of a pickup truck cargo box having a ramp assembly with a pair of loading ramps attached to the tailgate, according to one embodiment; -
FIG. 2 is a side view of the truck and loading ramp assembly inFIG. 1 shown in loading positions; -
FIG. 3 is an enlarged top view of the loading ramp assembly showing the connection to the vehicle tailgate; -
FIG. 4 is a bottom perspective view of the loading ramp having ramp connectors with pivoting clevis brackets and tangs connectors on opposite ends, according to one embodiment; -
FIG. 5 is an enlarged exploded assembly view of one end of the ramp further illustrating the pivoting bracket ramp connector; -
FIG. 6 is a cross-sectional view taken through line VI-VI ofFIG. 3 illustrating assembly of the ramp to the tailgate channel via an enlarged opening; -
FIG. 7 is a cross-sectional view taken through line VII-VII ofFIG. 3 illustrating locked engagement of the ramp to the tailgate channel; -
FIG. 8 is a rear perspective of the vehicle cargo box with one ramp stored in an inner side wall, according to a first embodiment; -
FIG. 9 is an enlarged partial view of the side wall and ramp ofFIG. 8 further illustrating connection of the ramp to the cargo box side wall; -
FIG. 10 is a rear perspective view of the cargo box illustrating storage of one ramp to an inner side wall, according to a second embodiment; -
FIG. 11 is an enlarged partial view of one end of the side wall and ramp ofFIG. 10 further illustrating connection of the ramp to the cargo box side wall; -
FIG. 12 is a rear perspective view of the vehicle cargo box having a pair of ramps oriented to form cross-members in the form of shelves shown in multiple positions, according to one embodiment; -
FIG. 13 is an enlarged top view of one end of a ramp to be assembled to the cargo box to form a shelf; -
FIG. 14 is a rear perspective view of a ramp assembled to the cargo box side walls to form a cross-member in the form of a divider, according to one embodiment; -
FIG. 15 is an enlarged top view of one end of a ramp to be assembled vertically to the cargo box side wall to form a divider; and -
FIG. 16 is an enlarged top perspective view of one end of the ramp forming a divider further shown assembled to the side wall of the vehicle cargo box. - For purposes of description herein, the terms “upper,” “lower,” “right,” “left,” “rear,” “front,” “vertical,” “horizontal,” and derivatives thereof shall relate to the vehicle and ramp assembly as oriented in
FIGS. 1 and 2 . However, it is to be understood that the invention may assume various alternative orientations, except where expressly specified to the contrary. It is also to be understood that the specific devices and processes illustrated in the attached drawings, and described in the following specification are simply exemplary embodiments of the inventive concepts defined in the appended claims. Hence, specific dimensions and other physical characteristics relating to the embodiments disclosed herein are not to be considered as limiting, unless the claims expressly state otherwise. - Referring to
FIGS. 1 and 2 , anautomotive vehicle 10 in the form of a pickup truck is shown having a cargo box orbed 12 and equipped with amodular ramp assembly 30 arranged in the loading position, according to one embodiment. Thecargo box 12 has abottom floor 14 and fourside walls box 12. Thefront wall 22 is adjacent to and rearward of the vehicle cab. Thelateral side walls rear wall 20 is provided by a pivoting tailgate which pivots between a downward open position shown generally horizontal inFIG. 1 and an upright vertical closed position to serve as the rear wall of thecargo box 12. Thetailgate 20 may include a conventional tailgate having a pair ofhinge pivots 24 on opposite left and right side near the bottom edge and asupport cable 26 at each end to support thetailgate 20 when in the open horizontal position. Thehinge pivots 24 may each include a hinge socket and pivot bracket that allows thetailgate 20 to pivot about the bottom edge relative to a supporting vehicle structure, such as a D-pillar, and may be keyed to allow removal of thetailgate 20 from thevehicle 10. Thehinge pivots 24 may include a lift assist mechanism such as a tension rod or spring. - In the embodiment shown, the
ramp assembly 30 has a pair oframps 32 configured for assembly to aretaining channel 40 intailgate 20 when thetailgate 20 is in the downward horizontal position to enable cargo items to be loaded on theramps 32 into and out of thecargo box 12. However, it should be appreciated that theramp assembly 30 may otherwise be configured to connect theramps 32 directly to thefloor 14, or other wall or surface leading to thecargo box 12 of thevehicle 10. It is contemplated that thetailgate 20 may be removed from the vehicle by disengaging thehinge pivots 24 andcables 26 such that theramps 32 may be connected to a channel provided at the rear end of thefloor 14, according to another embodiment. - In the embodiment shown, the
tailgate 20 has achannel 40 formed in the outer wall at the outermost end of thetailgate 20. Thechannel 40 has a C-shaped cross-section and extends a substantial length of thetailgate 20 and allows for the retention of aramp connector 34 having a pivoting clevis bracket and a pair of generally T-shaped tangs provided at ends of theramps 32 to retain theramps 32 in a desired position. Thechannel 40 has a pair of enlarged notches oropenings 42 formed in an inner wall surface of thetailgate 20 as shown inFIG. 1 . Theopenings 42 are sized and spaced to allow for the receipt of the pair of T-shaped tangs 38 on thepivoting clevis bracket 36. As seen inFIG. 6 , the pair of T-shaped tangs 38 is inserted through the pair ofopenings 42 and into thechannel 40. Once the T-shaped tangs 38 are inserted intochannel 40 at the enlargedopenings 42, eachramp 32 may slide laterally within thechannel 40 to a position away from theopenings 42 such that the T-shaped tangs 38 are matingly engaged with and trapped within thechannel 40 as shown inFIG. 7 . Accordingly, eachramp 32 may be engaged to thetailgate 20 by placing the pair of T-shapedtangs 38 into the pair of spaced,enlarged openings 42 shown at or near the center of thetailgate 20 to be matingly engaged withinchannel 40 and sliding the ramp left or right withinchannel 40 to a desired position to load cargo items, such as an ATV into thecargo box 12 of thevehicle 10. First, a left ramp may be installed inopenings 42 and moved left withinchannel 40, and then a second ramp may be inserted intoopenings 42 moved to the right withinchannel 40 to define a pair of spaced apart ramps as shown inFIG. 1 . It should be appreciated that the enlarged pair ofopenings 42 may be located elsewhere in communication with thechannel 40 and that more than one pair of openings may be provided in communication withchannel 40. - The
ramps 32 are each shown provided as a telescoping ramp made up of afirst section 32A slidingly engageable with and retained to asecond section 32B.Ramp sections ramp 32 may be adjusted by slidingramp section 32B relative to rampsection 32A to realize a desired angle and position of theramp 32. Additionally, theramp 32 may pivot about the pivotingclevis bracket 34 as seen inFIG. 2 . Accordingly, theramps 32 may pivot to accommodate different elevations, such as the ground or a porch to change the angle of theramp 32 as desired. - The assembly of each of the
ramps 32 to thevehicle tailgate 20 into the loading position is illustrated inFIG. 3 with theramp connector 34 of oneramp 32 matingly engaged with the retainingchannel 40 and slid into a desired position on one side of thetailgate 20, and theother ramp 32 positioned for insertion intoopenings 42 to be installed in the retainingchannel 40 intailgate 20. Pivotingramp connectors 34 are provided at opposite ends of theramp 32 as shown inFIG. 4 . Referring toFIG. 5 , each pivotingramp connector 34 has aU-shaped clevis bracket 36 pivotally connected to theramp 32 viabolt 46,washers 48, andnut 50 such thatbracket 36 is allowed to pivot aboutbolt 46 between an outward extended position and an inward stowed position as shown in dashed lines inFIG. 4 . Accordingly, one end of theramp 32 may connect via thepivoting ramp connector 34 to thetailgate 20 of thevehicle 10 in the extended outward position, and theother ramp connector 34 at the opposite end of theramp 34 may be in the inward stowed position when used as a loading ramp. Thus, either end oframp 32 may be connected viaramp connector 34 to thechannel 40 of the tailgate connector. TheU-shaped bracket 36 has a pair of T-shapedconnectors 38, as seen in cross section, connected thereto for matingly engaging theopening 42 and C-shapedchannel 40 in the embodiment shown. While a pair of T-shaped tangs is shown, it should be appreciated that other shaped connectors such as rectangular, oval, round or other cross sectioned shapes may be employed asconnectors 38. A round shaped tang may allow for use as or with a bearing such that the round tang may spin withinchannel 40. - The
ramp connector 34 is further shown inFIGS. 5-7 having a cam shapedtwist lock 60 connected to theU-shaped clevis bracket 36. The cam-shapedtwist lock 60 is shown having a threaded member that may be twisted to move outward frombracket 36 to form a frictional lock between theramp connector 34 and a mounting surface, such as thetailgate 20 ofvehicle 10. The cam-shapedtwist lock 60 is used to hold each of theramps 32 in place against thetailgate 20 once positioned at the desired location so that theramp 32 does not move during the loading and unloading process. Additionally, the cam-shapedtwist lock 60 may be used to hold a shelf or divider in place from sliding by turning the twist lock to form a frictional engagement with a portion of a cargo box. The cam-shaped twist lock may further be used to frictionally engage the cargo box side walls when stored therein as shown inFIGS. 8 and 9 to prevent relative movement between theramps 32 and walls. The cam-shapedtwist lock 60 may have various shapes and sizes for forming a frictional locking member and may be equipped with a keyed lock set for security to lock each of theramps 32 onto theinner walls cargo box 12 when used with theramps 32. It should be appreciated that thetwist lock 60 may include enhanced frictional materials, such as rubber or other frictional material that prevents sliding of the ramp relative to thetailgate 20 during use. - The
ramp assembly 30 advantageously provides for a pair oframps 32 that may be removably installed on thetailgate 20 of thevehicle 10 to allow for the loading and unloading of items into thecargo box 12.Ramps 32 may be easily removed by a user from the C-shapedchannel 40 throughopenings 42 of the tailgate connector. The removed ramps 32 may be stowed within the inner side of thelateral walls cargo box 12 as seen inFIGS. 8 and 9 , according to one embodiment. In this embodiment, thepivoting ramp connectors 34 are deployed in their outward extending positions at opposite ends of eachramp 32 and theconnectors 34 are installed throughopenings 42 into avertical channel 40 formed in thelateral side walls ramp 32 is installed ininner side wall 16 and theother ramp 32 is installed ininner side wall 18. Eachvertical channel 40 receives the pair of T-shapedtang connectors 38 at opening 42 as best seen inFIG. 9 and theramp 32 drops downward and is retained by the T-shapedtang connectors 38 oframp 32 trapped withinchannel 40. Thus, the pair oframps 32 are retained in place stored within thecargo box 12 adjacent the vehicle side walls for convenient storage and transportation of the ramps. A user may conveniently remove theramps 32 from thetailgate 20 when desired and restore theramps 32 in theside walls cargo box 12 and vice versa. - Referring to
FIGS. 10 and 11 , theramps 32 are shown stored within theside walls twist lock connectors 70, according to a second embodiment. In this embodiment, thetwist lock connectors 70 are insertable throughopenings 72 in theramp 32 and into threaded openings inwall connectors 70 andramp 32 in place. Thus,twist lock connectors 70 retain theloading ramp 32 positioned against the inner surface of the lateral wall. Thetwist lock connectors 70 may be locked to theside wall ramp 32. Also, in this position, thepivoting ramp connectors 34 may be positioned in the inward stowed positions. - The
ramp assembly 30 is modular in that theramps 32 are also employable to operate as cross-members in thecargo box 12. A cross-member may serve as a shelf as shown inFIGS. 12 and 13 or as a divider member as seen inFIGS. 14-16 . Referring specifically toFIGS. 12 and 13 , theramps 32 are shown installed within horizontal C-shapedretaining channels 40 of cargo box connectors onopposite side walls tangs 38 oframp connector 34 within thechannel 40 by insertion throughopenings 42 to form one or more shelves. Theramps 32 may slide within thehorizontal channel 40 to a desired shelf position. Thecargo box 12 may include twohorizontal channels 40 each having anenlarged opening 42 at two or more different elevations to provide different height shelves as shown by solid and dashed lines inFIG. 12 . Accordingly, objects may be placed upon theshelves 32 which may be positioned at various positions within thecargo box 12. It should also be appreciated that the length of eachshelf 32 may be changed to accommodate the bed shape by extending or retracting the length of theramps 32. - Referring to
FIGS. 14-16 , theramp 32 is shown provided as a vertical wall or divider member which may serve to divide cargo or retain cargo within thecargo box 12. In this application, the pivotingclevis bracket 36 and its T-shapedtangs 38 of theramp connectors 34 are inserted throughopenings 42 and intovertical retaining channels 40 of the cargo box onopposite side walls vertical channels 40 as shown. One, two or morevertical channels 40 may be provided in each of theside walls ramp connectors 34 to form the divider walls. It should further be appreciated thatramp 32 may be connected to extend longitudinally to provide a left and right side divider connected to thefront wall 22 andtailgate 20. - Accordingly, the
loading ramp assembly 30 advantageously provides for an easy to use and storeloading ramp assembly 30 for apickup truck 10. Theramps 32 may be installed in thetailgate 20 of thevehicle 10 without the need for retaining straps and may be easily stored against an inner side wall of thelateral side walls ramps 32 may be further employed as a modular assembly to form one or more shelves and to form one or more dividers within thevehicle cargo box 12. It should further be appreciated that further connector locations and assemblies may be employed to retain theramp members 32 in various orientations of thevehicle cargo box 12. - It is to be understood that variations and modifications can be made on the aforementioned structure without departing from the concepts of the present invention, and further it is to be understood that such concepts are intended to be covered by the following claims unless these claims by their language expressly state otherwise.
Claims (20)
1. A ramp assembly for use with a vehicle, comprising:
a channel provided on a structure of a vehicle and having one or more enlarged openings;
a ramp; and
a ramp connector provided on the ramp and comprising one or more tangs configured to fit in the one or more enlarged openings and retained within the channel to hold the ramp in place on the vehicle.
2. The ramp assembly of claim 1 , wherein the ramp connector comprises a pivoting clevis bracket having the one or more tangs attached thereto.
3. The ramp assembly of claim 2 , wherein the channel comprises a C-shaped channel and the tang comprises a pair of T-shaped connectors for engaging the C-shaped channel through two openings.
4. The ramp assembly of claim 1 , wherein the channel is provided in an end wall of a tailgate of the vehicle.
5. The ramp assembly of claim 1 , wherein the ramp is extendable longitudinally to adjust length of the ramp.
6. The ramp assembly of claim 1 , wherein the ramp may be stored on an inner wall of a truck cargo box.
7. The ramp assembly of claim 6 , wherein the assembly comprises first and second connectors at opposite ends of the ramp.
8. The ramp assembly of claim 7 , wherein each of the first and second connectors has a pivoting clevis bracket and one or more tangs that engage an opening in a side wall of the truck cargo box.
9. The ramp assembly of claim 7 , wherein the ramp may be configured as one of a divider and a shelf, wherein the one or more tangs of each of the first and second connectors engage an opening in a side wall of a truck cargo box.
10. A modular ramp assembly for use on a pickup truck comprising:
a vehicle tailgate having a tailgate connector;
a ramp having a ramp connector for connecting to the tailgate connector to serve as a loading ramp; and
one or more cargo box connectors provided in the vehicle cargo box for connecting to the ramp such that the ramp is configured to operate as a cross-member in the cargo box.
11. The assembly as defined in claim 10 , wherein the cross-member serves as a divider of the vehicle cargo box.
12. The assembly of claim 10 , wherein the cross-member serves as a shelf on the vehicle cargo box.
13. The assembly of claim 10 , wherein the tailgate connector comprises a channel having at least one enlarged opening and the ramp connector comprising at least one tang configured to pass into the enlarged opening and matingly engaging the channel.
14. The assembly of claim 13 , wherein the channel has a C-shape and each tang has a T-shape.
15. The assembly of claim 10 , wherein the ramp connector comprises a pivoting clevis bracket and the one or more tangs connects to the channel.
16. The assembly of claim 10 , wherein the ramp connector comprises a first ramp connector at one end of the ramp and a second ramp connector as another opposite end of the ramp.
17. The assembly of claim 16 , wherein the first and second ramp connectors are adapted to connect to first and second cargo box connectors in the vehicle cargo box.
18. The assembly of claim 10 , wherein the ramp is adapted to connect to an inner wall of the cargo box for storage of the ramp.
19. A method of using and storing a ramp for use on a vehicle pickup truck comprising the steps of:
aligning a ramp with a tailgate of a pickup truck;
connecting a pivoting clevis bracket at one end of the ramp into a channel in the tailgate;
sliding the ramp within the channel to a trapped position;
removing the ramp from the tailgate;
storing the ramp in a wall of the cargo bed; and
connecting the pivoting clevis bracket into another channel in a wall of the cargo box to form a cross-member.
20. The method of claim 19 , wherein the step of connecting the pivoting clevis bracket into another channel forms one of a shelf and a divider.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US12/957,670 US20120139281A1 (en) | 2010-12-01 | 2010-12-01 | Modular ramp assembly for vehicle |
CN201120490621.4U CN202389264U (en) | 2010-12-01 | 2011-11-30 | Springboard component and modular springboard component used with vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/957,670 US20120139281A1 (en) | 2010-12-01 | 2010-12-01 | Modular ramp assembly for vehicle |
Publications (1)
Publication Number | Publication Date |
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US20120139281A1 true US20120139281A1 (en) | 2012-06-07 |
Family
ID=46161517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/957,670 Abandoned US20120139281A1 (en) | 2010-12-01 | 2010-12-01 | Modular ramp assembly for vehicle |
Country Status (2)
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US (1) | US20120139281A1 (en) |
CN (1) | CN202389264U (en) |
Cited By (13)
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US20140064896A1 (en) * | 2012-09-05 | 2014-03-06 | Vijay Parmar | Sto and Go Ramps |
US8857880B2 (en) | 2011-10-12 | 2014-10-14 | Ford Global Technologies, Llc | Cargo box extension assembly for vehicle |
US20160031353A1 (en) * | 2014-07-30 | 2016-02-04 | Steve DeSimone | Tailgate with integrated loading ramp system |
CN106467144A (en) * | 2015-08-18 | 2017-03-01 | 天津市宇润德金属制品有限公司 | A kind of transport wagon box |
US20170203701A1 (en) * | 2016-01-14 | 2017-07-20 | Ford Global Technologies, Llc | Adjustable support for a vehicle |
US9845041B1 (en) * | 2016-12-28 | 2017-12-19 | Arthur Courtland | Vehicle ramp system |
US9878675B2 (en) * | 2014-06-26 | 2018-01-30 | Ford Global Technologies, Llc | Ramp bracket |
US10245992B2 (en) * | 2015-12-17 | 2019-04-02 | GM Global Technology Operations LLC | Loading ramp assembly and a movable cargo transport including the loading ramp assembly |
US10351039B2 (en) | 2014-06-26 | 2019-07-16 | Ford Global Technologies, Llc | Ramp member |
US11117507B2 (en) | 2019-02-21 | 2021-09-14 | Fca Us Llc | Vehicle load ramp system |
US11273876B2 (en) * | 2020-03-24 | 2022-03-15 | Mahindra N.A. Tech Center | Multimode tailgate assembly |
US11286009B2 (en) | 2019-04-12 | 2022-03-29 | Steve DeSimone | Tailgate with integrated modular loading ramp |
US20240017599A1 (en) * | 2019-06-28 | 2024-01-18 | Bombardier Recreational Products Inc. | Accessory system for vehicles |
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JP6577376B2 (en) * | 2016-01-21 | 2019-09-18 | 株式会社内山商会 | bridge |
CN107264374A (en) * | 2017-07-25 | 2017-10-20 | 桂林师范高等专科学校 | A kind of folding door of farm tractor |
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